http://stovoxeobzeebmcgomjymnk73vcarxkikwo26lvfbaxmxbtjbe7umnid.onion/questions/491052/minimum-and-maximum-value-of-z-index
This has a helpful and fairly humanized description: http://foohack.com/2007/10/top-5-css-mistakes/ Answered Jun 7, 2013 at 20:13 by kcar Show 2 comments 4 While we're on the topic, another common problem is not having position: relative; or something like it. Commented May 16, 2014 at 20:52 by Ryan Taylor . 1 Actually, just re-read the original post.